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Permanent URI for this collectionhttps://hdl.handle.net/20.500.14411/19

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Browsing Scopus by Institution Author "Akcay, Emre Caner (57194605354)"

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    Citation - WoS: 13
    Citation - Scopus: 17
    An Analytic Network Process Based Risk Assessment Model for Ppp Hydropower Investments
    (Vilnius Gediminas Tech Univ, 2021) Akcay, Emre Caner
    The number of public-private partnership (PPP) projects has gone up especially in developing countries. The risk assessment of PPP projects is essential in ensuring project success. The objective of this study is to develop an Analytic Network Process (ANP) based risk assessment model for hydropower investments, and a tool to facilitate quantification of risk ratings based on this model. The results show that the three most important risk factors that affect the overall risk rating of a PPP hydropower investment are legal risks, contractor/subcontractor risks, and operator risks. In addition, the three most important risk clusters were identified as stakeholders, government requirements, and resources, whereas market was the least important cluster. The tool that measures the risk rating of a PPP of hydropower project was tested on ten real cases, and satisfactory results were obtained in terms of its predictive capability. The contributions of this research include (1) identification of the risk factors and clusters of factors associated with PPP hydropower investments; (2) determination of the priority of each risk factor and cluster; (3) development a tool that guides the investors through the risk assessment of PPP hydropower investments.
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    Citation - WoS: 16
    Citation - Scopus: 28
    Barriers To Undertaking Green Building Projects in Developing Countries: a Turkish Perspective
    (Mdpi, 2023) Akcay, Emre Caner
    Green buildings (GBs) play an important role in achieving sustainable development goals. However, the implementation of green technologies in building projects has not reached the desired level in developing countries such as Turkey because of barriers stemming from country-related factors as well as factors related to design and construction. The objective of this study was to explore the barriers to undertaking GB projects in Turkey. A questionnaire survey was administered to 116 construction practitioners to analyze the criticality of barriers to GB design and construction in the Turkish construction industry. Both descriptive and inferential statistics were adopted to evaluate the data obtained from the questionnaire survey. The findings suggest that the major barriers that hinder the adoption of GBs in Turkey are higher construction cost, lack of knowledge about GBs, lack of an authorized GB rating system, unavailability of GB materials, and inadequate market demand, whereas longer design time is the least critical barrier. The results of factor analysis indicate that the barriers to undertaking GB projects can be grouped under five "factors", i.e., cost- and demand-related barriers, market-related barriers, people-related barriers, government-related barriers, and time-related barriers. In light of the results, policy makers and construction practitioners can devise strategies to promote GBs in Turkey, which can also be valid in other developing countries with similar socio-economic conditions.